
Examen simulacro
Authored by Vania Velásquez
Mathematics
University
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13 questions
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1.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
1. INDIQUE QUE TIPO DE VARIBLES SON:
Número de goles:
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
1. INDIQUE QUE TIPO DE VARIBLES SON:
Número de alumnos:
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
1. INDIQUE QUE TIPO DE VARIBLES SON:
Grado de escolaridad:
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
1. INDIQUE QUE TIPO DE VARIBLES SON:
Color de camisa:
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
1. INDIQUE QUE TIPO DE VARIBLES SON:
Peso de los pacientes:
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
2. En una escuela secundaria se tomó una muestra al azar simple, habiendo sido sorteados nueve jóvenes en quienes se determinó la presión diastólica:
70, 80, 60, 65, 75, 80, 65, 70, 65
Con el propósito de realizar un análisis descriptivo de los datos precedentes, un investigador requiere conocer las medidas de tendencia central.
Media = 70; Me= 2,5 (posición) y 75 (valor); Mo = 65
Media = 65; Me= 5 (posición) y 70 (valor); Mo = 60
Media = 75; Me= 5 (posición) y 75 (valor); Mo = 65
Media = 70; Me= 5 (posición) y 70 (valor); Mo = 65
7.
MULTIPLE SELECT QUESTION
10 mins • 1 pt
3. Con los datos del anterior ejercicio halle el desvió estándar y el coeficiente de variación
S: 7,07
CV: 10,2%
CV: 10,1%
S: 7,70
CV: 10,01%
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